Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / pending.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/pending.h b/qemu/roms/ipxe/src/include/ipxe/pending.h
new file mode 100644 (file)
index 0000000..e6a3698
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/pending.h
@@ -0,0 +1,42 @@
+#ifndef _IPXE_PENDING_H
+#define _IPXE_PENDING_H
+
+/** @file
+ *
+ * Pending operations
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** A pending operation */
+struct pending_operation {
+       /** Pending count */
+       unsigned int count;
+};
+
+/**
+ * Check if an operation is pending
+ *
+ * @v pending          Pending operation
+ * @ret is_pending     Operation is pending
+ */
+static inline int is_pending ( struct pending_operation *pending ) {
+       return ( pending->count != 0 );
+}
+
+extern int pending_total;
+
+/**
+ * Check if any operations are pending
+ *
+ * @ret have_pending   Some operations are pending
+ */
+static inline int have_pending ( void ) {
+       return ( pending_total != 0 );
+}
+
+extern void pending_get ( struct pending_operation *pending );
+extern void pending_put ( struct pending_operation *pending );
+
+#endif /* _IPXE_PENDING_H */